EP0178990A1 - Enregistreur portatif d'électrocardiogrammes - Google Patents

Enregistreur portatif d'électrocardiogrammes Download PDF

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Publication number
EP0178990A1
EP0178990A1 EP85401968A EP85401968A EP0178990A1 EP 0178990 A1 EP0178990 A1 EP 0178990A1 EP 85401968 A EP85401968 A EP 85401968A EP 85401968 A EP85401968 A EP 85401968A EP 0178990 A1 EP0178990 A1 EP 0178990A1
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EP
European Patent Office
Prior art keywords
electrodes
patient
recorder according
recorder
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP85401968A
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German (de)
English (en)
French (fr)
Inventor
Gilles Ascher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0178990A1 publication Critical patent/EP0178990A1/fr
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02438—Measuring pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332—Portable devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/339—Displays specially adapted therefor

Definitions

  • the present invention relates to a portable recorder of electrocardiograms, that is to say an apparatus essentially consisting of a housing containing a device for digital processing of the signals picked up by at least two electrodes in contact with the skin of the patient read and analyzed. later by a doctor.
  • Devices of this type have already been designed which include sampling electrodes constituted by small conductive plates placed in one of the faces of the device. These devices are intended to record some electrocardiograms at the onset of discomfort, the patient then putting the electrodes in contact with his skin, for example by squeezing the device between his two hands when he feels discomfort. It is also possible to perform a pericordial recording by wearing the electrodes on the chest. However in this case the quality of the contact can be random taking into account the profile of the patient's bust and the inevitable pressure variations exerted (patient or third party) during the application of the device. In addition, such a situation is conceivable only for fairly brief recordings insofar as it supposes the maintenance of pressure of the device on the thorax.
  • the device can be used "in real time", that is to say for example in a doctor's office; in this case it is necessary to be able to visualize directly on the device the signals obtained in order to avoid passing through an external device which reads the memory and restores the signals of the electrocardiograms.
  • the subject of the present invention is a recorder of the aforementioned type which makes it possible to obtain good contact of the electrodes when taking electrocardiograms in the pericordial zone, to be able to maintain the recorder in the operating position and to use it in time. real.
  • the recorder according to the invention is particularly remarkable in that at least one of the application faces of the housing comprises protruding electrodes forming protuberances with respect to said face, these electrodes comprising cavities for mechanical coupling and connection electric whose shape is the shape complementary to that of the nipples of the usual electrocardiogram electrodes fixed by adhesion to the patient's skin, so that the said housing can be applied either directly to the patient's skin, or indirectly by means of usual electrodes.
  • the invention therefore provides an apparatus which can be used quickly by wearing it on the chest of a patient and which can also be permanently fixed to a patient using conventional electrodes of the disposable type therefore simple and inexpensive.
  • the recorder comprises a display device arranged on the face opposite to the face for applying the electrodes and a microprocessor controlling said display device.
  • a display device makes it possible to operate the recorder in "real time", that is to say that one can follow the shape of the recorded EKG signals as they are recorded.
  • Such a device makes it possible in particular to make a first diagnosis during a visit to a patient.
  • the display device includes a freeze frame device, which allows a more precise analysis of the recorded signals.
  • the recorder according to the invention advantageously includes a memory in which the recorded electrocardiogram signals are stored in digital form, which allows more complete monitoring of a patient.
  • a recorder which is consisting of a housing 1 of small dimensions, one of the faces of which carries a display device 2 constituted for example by a liquid crystal screen; at least two electrodes 5 or 6 are arranged on the application face 3 which is opposite to the face 4 carrying the screen 2, for example three electrodes including one electrode constituting the reference electrode.
  • the electrodes 5 and 6 protrude from the face 3 and form protuberances on this face. They have cavities 7 and 8 opening on the side opposite to the application face and the shape of which corresponds to the shape of the studs for fixing the usual electrodes.
  • disposable type electrocardiograms disposable type electrocardiograms.
  • usual electrodes 9 and 11 can be fixed to the electrodes 5 and 6 of the housing which can then be permanently fixed to the skin 12 of the patient as shown in FIG. 2. Due to the low weight of the boot 1 , two or three usual electrodes are sufficient to maintain the housing on the patient's body even if it moves. Indeed, the usual electrocardiogram electrodes 9 and 11 comprise an adhesive patch 13 which is stuck on the skin 12 of the patient.
  • the recorder comprises a microprocessor which is housed in the housing 1 and which controls the operation of the display device as well as the processing of the electrocardiogram signals taken.
  • a switch 15 with two stable positions controls the start and stop of the recorder according to the invention.
  • the display device 2 displays the forms of signals collected; the scrolling speed can be adjusted.
  • a control member 16 and another control member 17 makes it possible to obtain a freeze on the image, that is to say the display of a still image.
  • the recorder When the recorder has a memory it is possible to display the contents of the memory and to avoid complicated handling, the recorder includes a control member 18 which controls the reading forwards or backwards from the memory.
  • the electronic processing device comprises a device for calculating the heart rate which calculates said frequency for example based on the detection of three QRS edges of three successive electrocardiograms.
  • the display device 2 additionally displays the subject's heart rate and it may include a flashing element at the frequency of the heart rate of the electrocardiogram taken.
  • the recorder according to the invention may include output connections to a printer or to a conventional electrocardiogram device or these two possibilities.
  • the electronic processing device performs an analysis of the electrocardiogram signals taken and calculates their different parameters which are then displayed simultaneously on the display device 2; we see in Figure 3 the screen 2 which displays on the one hand an electrocardiogram and on the other hand at locations 19 the different parameters of the electrocardiogram as well as the heart rate frequency.
  • the recorder according to the invention may include a heart rate monitoring device comprising an audible and / or visual alarm which is triggered when the heart rate exceeds adjustable upper and lower limit values.
  • the recorder which has just been described can be used in different ways
  • a first version essentially comprising the display device with the various controls and with the display of the heart rate
  • the recorder can be used by general practitioners during their visit or by doctors of emergency services; in this case the device is used without a disposable electrode, the doctor applies it to the chest of the patient and he can immediately observe the shape of the electrocardiograms and know the heart rate, which allows him to quickly detect the possibility of a cardiac deficiency and to refer the patient immediately to a department with cardiological diagnostic equipment.
  • the recorder according to the invention can also be used as a monitoring device (monitor) of a patient, for example during small interventions (by connecting the device to electrodes placed on the patient using a connection cable) to which practitioner wants to operate without any risk or also for the transport of patients to a hospital or inside it (in this use, the recorder is permanently placed on the patient and therefore disposable type electrodes are used for fixing the recorder to the patient).
  • the recorder according to the invention constitutes a portable monitoring device which permanently displays the shape of the patient's electrocardiograms and which gives the alarm when the heart rate reaches a predetermined threshold.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
EP85401968A 1984-10-11 1985-10-09 Enregistreur portatif d'électrocardiogrammes Withdrawn EP0178990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8415594A FR2571603B1 (fr) 1984-10-11 1984-10-11 Enregistreur portatif d'electrocardiogrammes
FR8415594 1984-10-11

Publications (1)

Publication Number Publication Date
EP0178990A1 true EP0178990A1 (fr) 1986-04-23

Family

ID=9308559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401968A Withdrawn EP0178990A1 (fr) 1984-10-11 1985-10-09 Enregistreur portatif d'électrocardiogrammes

Country Status (5)

Country Link
US (1) US4809705A (enrdf_load_stackoverflow)
EP (1) EP0178990A1 (enrdf_load_stackoverflow)
JP (1) JPS6190640A (enrdf_load_stackoverflow)
FR (1) FR2571603B1 (enrdf_load_stackoverflow)
IN (1) IN161989B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636996C1 (en) * 1986-10-17 1987-11-26 Hans-Joachim Uhlemann Cardiac diagnostic unit
US4825874A (en) * 1986-10-17 1989-05-02 Uhlemann Hans J Cardiac diagnosis instrument
WO1994023648A1 (fr) * 1993-04-22 1994-10-27 'o.D.A.M.' Office De Distribution D'appareils Medicaux S.A. Dispositif capteur pour electrocardiogramme
CN104665810A (zh) * 2013-11-29 2015-06-03 长春华讯信息科技有限公司 一种智能心电监护装置
CN104665814A (zh) * 2013-11-29 2015-06-03 长春华讯信息科技有限公司 一种便携式智能心电监护系统

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US4825874A (en) * 1986-10-17 1989-05-02 Uhlemann Hans J Cardiac diagnosis instrument
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FR2704131A1 (fr) * 1993-04-22 1994-10-28 Odam Dispositif capteur pour électrocardiogramme.
US5782241A (en) * 1993-04-22 1998-07-21 O.D.A.M. Office De Distribution D'appareils Medicaux (Sa) Sensor device for electrocardiogram
CN104665810A (zh) * 2013-11-29 2015-06-03 长春华讯信息科技有限公司 一种智能心电监护装置
CN104665814A (zh) * 2013-11-29 2015-06-03 长春华讯信息科技有限公司 一种便携式智能心电监护系统

Also Published As

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JPS6190640A (ja) 1986-05-08
IN161989B (enrdf_load_stackoverflow) 1988-03-12
FR2571603B1 (fr) 1989-01-06
US4809705A (en) 1989-03-07
FR2571603A1 (fr) 1986-04-18

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